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UR-700-3
RD-253 engine
RD-253 engine
Credit: Khrunichev
N2O4/UDMH propellant rocket stage. .

Status: Development ended 1968. Thrust: 5,139.60 kN (1,155,428 lbf). Gross mass: 399,400 kg (880,500 lb). Unfuelled mass: 26,000 kg (57,000 lb). Specific impulse: 328 s. Burn time: 225 s. Height: 20.83 m (68.33 ft). Diameter: 4.15 m (13.61 ft). Span: 7.50 m (24.60 ft).

No Engines: 3.



Country: Russia. Engines: RD-254, RD-253-11D48. Launch Vehicles: UR-700. Propellants: N2O4/UDMH.

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